Abstract
Body channel communications (BCC) have been researched while an allowing technology to improve necessities for the low power and high reconfiguration power in wireless telemetry systems used at wireless communication purpose. Conventional features on BCC are concentrated mostly on modeling of channels by using of an efficient measurement technique, wireless transceiver design and then by means of a transmission technique. Particularly, the wireless digital transmitting, developed as a personalized method intended for the body channel, offers wanted to develop flexible and low power BCC systems. With the developing level of wearable communication protocol and applications, there may be an increasingly reliable on an adaptable BCC transmitter that helps both data reconfigure power and power reduction condition. In this paper, an extremely reconfigurable Hamming Encoding Digital Transmitter (HEDT) which works with both reconfigurable data and power reduction condition that supports from two innovative operation conditions is suggested. In a HEDT device, the overall data rate is controlled by the level of Hamming codes designed to make use of in the perfect BCC band of 20–100 MHz. The proposed Hamming Encoded Transmission method achieves seven times improved data rate when compared with conventional BCC processors. The next unique implementation technique is based on the usage of Frequency Shift Keying (FSK) of a Hamming encoded HEDT approach. This approach permits the BCC transceiver to use the perfect channel with bandwidth among 40–100 MHz. Thereby half the clock rate reduces 40% of overall power utilization. The HEDT system is completely designed in a 65 nm CMOS procedure. It uses a primary area of 0.14 × 0.2 mm. When functioning below a data-rate of 60 Mb/s (low power) condition, the BCC transmitter utilizes only 1.00 mW.
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Vijayalakshmi, S., Nagarajan, V. Design and Implementation of Low Power High-Efficient Transceiver for Body Channel Communications. J Med Syst 43, 81 (2019). https://doi.org/10.1007/s10916-019-1204-x
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DOI: https://doi.org/10.1007/s10916-019-1204-x